PEHD, white PP closure. Sterile bottles have excellent chemical resistance. Manufactured and packaged in a controlled environment to minimise biological and particulate contamination. Packaged in shrink-wrap tray modules that are double-bagged. Sterile, leakproof. PEHD, white PP closure. Sterile bottles have excellent chemical resistance. Manufactured and packaged in a controlled environment to minimise biological and particulate contamination. Packaged in shrink-wrap tray modules that are double-bagged. Sterile, leakproof.